There is no available information about the "Peninsula Youth Sports Association" with EIN 474450251. The search results do not provide relevant details regarding this specific organization. Therefore, a Wikipedia-style article cannot be written based on the provided information.

[1] https://www.leaguelineup.com/welcome.asp?url=pyfco [2] https://projects.propublica.org/nonprofits/organizations/330587871 [3] https://www.peninsula-soccer.org [4] https://www.peninsulasoftball.com [5] https://www.charitynavigator.org/ein/932790778